.hero {
  margin-top: 0;
  position: relative;
  background: #070a0c;
}

body[data-page="inicio"] .navbar.site-nav {
  background: rgba(12, 16, 20, 0.55) !important;
  border-bottom-color: rgba(49, 64, 76, 0.45);
}

.hero .carousel-inner {
  height: clamp(200px, 36vh, 380px);
  background: #070a0c;
}

.hero .carousel-item,
.hero .carousel-item img {
  height: 100%;
}

.hero .carousel-item img {
  width: 100%;
  object-fit: cover;
  object-position: center;
}

.hero .carousel-indicators {
  bottom: 0.65rem;
  margin-bottom: 0;
}

.hero .carousel-indicators li {
  width: 1.6rem;
  height: 3px;
  border-radius: 2px;
  opacity: 0.45;
}

.hero .carousel-indicators .active {
  opacity: 1;
  background-color: var(--accent, #2dd4bf);
}

.hero .carousel-control-prev,
.hero .carousel-control-next {
  width: 8%;
  opacity: 0.55;
}

.hero .carousel-control-prev:hover,
.hero .carousel-control-next:hover {
  opacity: 0.9;
}

@media (max-width: 767.98px) {
  .hero .carousel-inner {
    height: clamp(170px, 28vh, 260px);
  }

  .hero .carousel-control-prev,
  .hero .carousel-control-next {
    width: 12%;
  }
}

.intro-strip {
  padding: 2.4rem 0 2rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(24, 33, 40, 0.9), rgba(15, 20, 24, 0.2));
}

.intro-title {
  font-size: clamp(1.7rem, 3.4vw, 2.45rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.intro-copy {
  max-width: 38rem;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.explore {
  padding-top: 1.35rem !important;
  padding-bottom: 0.5rem !important;
}

.explore-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  align-items: stretch;
}

.explore-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1rem;
  min-width: 0;
  padding: 1rem 1rem;
  border: 1px solid rgba(49, 64, 76, 0.9);
  border-radius: 14px;
  background:
    linear-gradient(145deg, rgba(33, 43, 52, 0.95), rgba(22, 30, 37, 0.98));
  color: var(--text);
  text-decoration: none !important;
  text-align: left;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease;
}

.explore-card-copy {
  min-width: 0;
  flex: 1 1 auto;
}

.explore-card h3 {
  margin: 0 0 0.3rem;
  font-size: 1.08rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.explore-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.explore-card .explore-label {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--accent-strong);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 0.86rem;
  line-height: 1;
  white-space: nowrap;
  transition: background 0.15s ease, transform 0.15s ease;
}

.explore-card:hover,
.explore-card:focus {
  border-color: rgba(61, 214, 195, 0.55);
  color: var(--text);
  text-decoration: none !important;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  outline: none;
}

.explore-card:hover .explore-label,
.explore-card:focus .explore-label {
  background: var(--accent-strong);
}

@media (min-width: 700px) {
  .explore-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
  }

  .explore-card {
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    min-height: 9.5rem;
    padding: 1.2rem 1.15rem 1.1rem;
    border-radius: var(--radius);
  }

  .explore-card h3 {
    font-size: 1.18rem;
    margin-bottom: 0.4rem;
  }

  .explore-card p {
    font-size: 0.94rem;
    margin-bottom: 1rem;
  }

  .explore-card .explore-label {
    align-self: flex-start;
    min-height: 2.45rem;
    padding: 0.5rem 1rem;
    font-size: 0.88rem;
  }
}

@media (min-width: 992px) {
  .explore {
    padding-top: 1.6rem !important;
    padding-bottom: 0.65rem !important;
  }

  .explore-grid {
    gap: 1.05rem;
  }

  .explore-card {
    min-height: 10.25rem;
    padding: 1.35rem 1.25rem 1.2rem;
  }

  .explore-card h3 {
    font-size: 1.22rem;
  }

  .explore-card p {
    font-size: 0.96rem;
  }
}

section.cards {
  padding: 1.25rem 1rem 2.5rem;
  margin: 0 auto;
  max-width: 1140px;
  width: 100%;
  box-sizing: border-box;
}

.section-heading {
  text-align: center;
  margin-bottom: 2rem;
  padding: 1.35rem 1.15rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
}

.section-heading h2 {
  font-size: clamp(1.25rem, 4.2vw, 1.85rem);
  margin-bottom: 0.55rem;
  line-height: 1.25;
}

.section-heading .badge {
  vertical-align: middle;
  margin-left: 0.35rem;
  font-weight: 600;
}

.section-heading p {
  font-size: clamp(0.88rem, 2.8vw, 1rem);
  padding: 0 0.15rem;
  margin-top: 0.15rem;
}

.course-group {
  margin-bottom: 3rem;
  min-width: 0;
  padding-top: 0.35rem;
}

.course-group-head {
  margin-bottom: 1.25rem;
  padding-top: 0.55rem;
  padding-bottom: 0.95rem;
  border-bottom: 1px solid var(--border);
}

.course-group-head--row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
  align-items: flex-end;
  justify-content: space-between;
}

.course-group-head h3 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.1rem, 3.5vw, 1.35rem);
  color: var(--text);
}

.course-group-head p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  max-width: 40rem;
  line-height: 1.45;
}

.course-carousel-controls {
  display: inline-flex;
  gap: 0.45rem;
  flex: 0 0 auto;
}

.course-carousel-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-panel);
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.course-carousel-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(61, 214, 195, 0.08);
}

.course-carousel {
  position: relative;
  min-width: 0;
}

.course-carousel-track {
  display: flex;
  gap: 0.85rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.15rem 0.05rem 0.75rem;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.course-carousel-track::-webkit-scrollbar {
  height: 6px;
}

.course-carousel-track::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 999px;
}

.course-carousel-track .course-tile {
  flex: 0 0 min(340px, calc(100vw - 2.75rem));
  width: min(340px, calc(100vw - 2.75rem));
  max-width: 100%;
  scroll-snap-align: start;
  min-height: 0;
  height: auto;
}

.course-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.course-tile {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(165deg, var(--bg-elevated), var(--bg-panel));
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  min-width: 0;
}

@media (hover: hover) and (pointer: fine) {
  .course-tile:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
  }

  .course-carousel-btn:hover {
    transform: translateY(-1px);
  }

  .explore-card:hover {
    transform: translateY(-2px);
  }
}

.course-tile-media {
  position: relative;
  flex: 0 0 auto;
  aspect-ratio: 16 / 10;
  background: #0b1014;
  overflow: hidden;
}

.course-tile-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.92) contrast(1.05);
}

.course-tile-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(11, 16, 20, 0.55) 100%);
  pointer-events: none;
}

.course-tile-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-width: 0;
  padding: 1rem 1rem 1.1rem;
}

.course-tile-body h3 {
  margin: 0.35rem 0 0.45rem;
  font-size: clamp(1.02rem, 3.4vw, 1.15rem);
  line-height: 1.3;
  font-family: var(--font-display);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.course-tile-body > p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  flex: 1 1 auto;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}

.course-tile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 0.35rem;
}

.course-tile-meta span {
  display: inline-flex;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 20, 24, 0.35);
  color: var(--text-muted);
  font-size: 0.78rem;
}

.course-tile-req {
  margin: 0 0 0.15rem !important;
  font-size: 0.8rem !important;
  color: #9aa8b3 !important;
  line-height: 1.4 !important;
  flex: 0 0 auto !important;
  display: block !important;
  -webkit-line-clamp: unset !important;
  overflow: visible !important;
}

.course-level-wrap {
  display: inline-flex;
  width: auto;
  max-width: max-content;
}

.course-actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
  width: 100%;
}

.course-actions .btn-accent,
.course-actions .btn-ghost {
  flex: 1 1 0;
  touch-action: manipulation;
  text-align: center;
  justify-content: center;
  display: inline-flex;
  align-items: center;
  min-width: 0;
  padding: 0.55rem 0.65rem;
  font-size: 0.88rem;
  white-space: nowrap;
}

.course-more-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.course-more-item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 0.85rem;
  align-items: center;
  padding: 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-width: 0;
}

@media (hover: hover) and (pointer: fine) {
  .course-more-item:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow);
  }
}

.course-more-media {
  width: 96px;
  height: 72px;
  border-radius: 10px;
  overflow: hidden;
  background: #0b1014;
  flex-shrink: 0;
}

.course-more-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-more-body {
  min-width: 0;
}

.course-more-body h3 {
  margin: 0.2rem 0 0.3rem;
  font-size: 1rem;
  font-family: var(--font-display);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.course-more-body > p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.course-more-body .course-actions {
  margin-top: 0.65rem;
}

.course-more-body .btn-accent,
.course-more-body .btn-ghost {
  padding: 0.45rem 0.8rem;
  font-size: 0.86rem;
}

/* Tablet+ */
@media (min-width: 640px) {
  .course-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.1rem;
  }

  .course-carousel-track .course-tile {
    flex-basis: min(340px, calc(50% - 0.5rem));
    width: min(340px, calc(50% - 0.5rem));
  }

  .course-tile-body > p {
    -webkit-line-clamp: 5;
  }
}

@media (min-width: 992px) {
  .course-tile-body {
    padding: 1.15rem 1.25rem 1.25rem;
  }

  .course-tile-body h3 {
    font-size: 1.22rem;
  }

  .course-tile-body > p {
    -webkit-line-clamp: unset;
    display: block;
    overflow: visible;
  }

  .course-more-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
  }

  .course-carousel-track .course-tile {
    flex-basis: 340px;
    width: 340px;
  }
}

/* Mobile-first polish */
@media (max-width: 767.98px) {
  .intro-strip {
    padding: 1.75rem 0.85rem 1.5rem;
  }

  .intro-copy {
    font-size: 0.98rem;
    padding: 0 0.25rem;
  }

  .explore {
    padding-left: 0.85rem !important;
    padding-right: 0.85rem !important;
  }

  section.cards {
    padding: 1.15rem 0.75rem 2.5rem;
  }

  .section-heading {
    margin-bottom: 1.85rem;
    padding: 1.2rem 0.95rem 1.15rem;
  }

  .section-heading h2 {
    margin-bottom: 0.55rem;
  }

  .course-group {
    margin-bottom: 2.75rem;
    padding-top: 0.55rem;
  }

  .course-group + .course-group {
    margin-top: 0.35rem;
  }

  .course-group-head {
    margin-bottom: 1.2rem;
    padding-top: 0.45rem;
    padding-bottom: 0.9rem;
  }

  .course-group-head h3 {
    margin-bottom: 0.5rem;
  }

  .course-group-head--row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.7rem;
  }

  .course-carousel-controls {
    align-self: flex-end;
  }

  .course-carousel-hint {
    display: block;
  }

  .course-carousel-track {
    gap: 0.75rem;
    scroll-padding-inline: 0.15rem;
  }

  .course-carousel-track .course-tile {
    flex: 0 0 min(100%, 20.5rem);
    width: min(100%, 20.5rem);
    max-width: 100%;
  }

  .course-tile-media {
    aspect-ratio: 16 / 9;
  }

  .course-tile-body {
    padding: 0.95rem 0.95rem 1.05rem;
  }

  .course-tile-body h3 {
    font-size: 1.05rem;
    margin-bottom: 0.45rem;
  }

  .course-tile-body > p {
    -webkit-line-clamp: 2;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
  }

  .course-actions {
    gap: 0.5rem;
  }

  .course-actions .btn-accent,
  .course-actions .btn-ghost {
    flex: 1 1 calc(50% - 0.25rem);
    min-height: 2.6rem;
    font-size: 0.86rem;
    padding: 0.55rem 0.55rem;
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .course-more-item {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .course-more-media {
    width: 100%;
    height: 150px;
  }
}

.course-carousel-hint {
  display: none;
  margin: 0 0 0.55rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Summary modal — responsive */
.summary-modal {
  border: 1px solid var(--border) !important;
  background: linear-gradient(180deg, #1c262e 0%, var(--bg-elevated) 40%) !important;
  overflow: hidden;
}

.summary-modal-dialog {
  margin: 1rem auto;
  max-width: min(800px, calc(100% - 1.5rem));
}

.summary-modal-close {
  padding: 0.55rem !important;
  margin: -0.35rem -0.2rem 0 0 !important;
  opacity: 0.85;
  color: var(--text) !important;
  text-shadow: none;
  min-width: 2.5rem;
  min-height: 2.5rem;
}

.summary-modal-close:hover {
  opacity: 1;
  color: var(--accent) !important;
}

.summary-modal-header {
  align-items: flex-start !important;
  border-bottom: 1px solid var(--border) !important;
  padding: 1.25rem 1.35rem 1rem !important;
  flex-shrink: 0;
}

.summary-modal-header .modal-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3.8vw, 1.35rem);
  margin: 0;
  padding-right: 0.5rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.summary-modal-body {
  padding: 0.85rem 1.35rem 1.2rem !important;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.summary-modal-footer {
  border-top: 1px solid var(--border) !important;
  padding: 0.9rem 1.35rem 1.15rem !important;
  gap: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  flex-shrink: 0;
  background: rgba(15, 20, 24, 0.55);
}

.summary-enter-btn {
  text-align: center;
}

.summary-lead {
  color: #d7e0e6;
  line-height: 1.65;
  margin-bottom: 1rem;
}

.summary-meta-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: 1.15rem;
}

.summary-chip {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.55rem 0.65rem;
  min-width: 0;
}

.summary-chip span {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.summary-chip strong {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.summary-panel {
  background: rgba(15, 20, 24, 0.45);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  min-width: 0;
}

.summary-panel h6 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 0.65rem;
}

.summary-list,
.summary-syllabus {
  margin: 0;
  padding-left: 1.05rem;
  color: #d7e0e6;
}

.summary-list li,
.summary-syllabus li {
  margin-bottom: 0.45rem;
  line-height: 1.45;
}

.summary-syllabus {
  list-style: none;
  padding-left: 0;
}

.summary-syllabus li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.summary-syl-num {
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 0.85rem;
  min-width: 1.5rem;
}

.summary-note {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.summary-plain {
  color: #d7e0e6;
  line-height: 1.65;
}

@media (max-width: 767.98px) {
  .summary-meta-row,
  .summary-grid {
    grid-template-columns: 1fr 1fr;
  }

  .summary-modal-root {
    padding: 0 !important;
  }

  .summary-modal-dialog {
    margin: 0;
    max-width: 100%;
    height: 100%;
    min-height: 100%;
  }

  .summary-modal-dialog.modal-dialog-centered {
    align-items: flex-end;
  }

  .summary-modal {
    border-radius: 18px 18px 0 0 !important;
    border-left: 0 !important;
    border-right: 0 !important;
    border-bottom: 0 !important;
    max-height: min(92vh, 100%);
    min-height: 0;
    display: flex;
    flex-direction: column;
  }

  .summary-modal-header,
  .summary-modal-body,
  .summary-modal-footer {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .summary-modal-header {
    padding-top: 1rem !important;
    padding-bottom: 0.85rem !important;
  }

  .summary-modal-body {
    flex: 1 1 auto;
    max-height: none;
    padding-top: 0.65rem !important;
    padding-bottom: 1rem !important;
  }

  .summary-modal-footer {
    padding-top: 0.85rem !important;
    padding-bottom: calc(0.95rem + env(safe-area-inset-bottom, 0px)) !important;
    gap: 0.55rem;
  }

  body.summary-modal-open {
    overflow: hidden;
  }
}

@media (max-width: 575.98px) {
  .summary-meta-row,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .summary-modal-footer {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .summary-modal-footer .btn-accent,
  .summary-modal-footer .btn-ghost,
  .summary-modal-footer button,
  .summary-modal-footer a {
    width: 100%;
    text-align: center;
    justify-content: center;
    min-height: 2.85rem;
    display: inline-flex;
    align-items: center;
  }
}